CN218931609U - Ramp lifter - Google Patents

Abstract

The utility model provides a ramp lifter, which comprises an upper layer plate and a lower layer plate, wherein one ends of the upper layer plate and the lower layer plate are hinged, square pipes are transversely arranged at the bottom of the upper layer plate and the upper part of the lower layer plate, square pipes at the upper layer and the lower layer are arranged in a staggered manner, a first hydraulic cylinder is hinged at the rear of two sides of the lower layer plate, an output end of the first hydraulic cylinder is hinged with the upper layer plate, a roller is arranged at the rear of the bottom of the lower layer plate, a lifting groove is formed in the front of the lower layer plate, and universal wheels are arranged in the lifting groove through a lifting mechanism; the lifting ramp for the construction site is formed by hinging the upper layer plate and the lower layer plate and additionally matching with the hydraulic cylinder, the lifting ramp can greatly reduce the waste of materials when being arranged according to various deployment requirements of the construction site, and meanwhile, the ramp is movable and repeatedly used, does not need to be dismantled in the later stage, and has low labor cost and convenient operation.

Description

Ramp lifter

Technical Field

The utility model relates to the technical field of building construction field equipment, in particular to a ramp lifter.

Background

When the building engineering is constructed, because the needs of construction deployment often can exist facilities such as the cable of passing a way, fire-fighting water pipe, open post-cast strip and high and low steps to hinder the advance of material dolly, to this kind of condition traditional way generally be:

1. the operation of paving templates and square timber is carried out at the passing position of the material trolley to form a ramp;

2. building brick walls at the high-level steps, and pouring concrete for filling to form a ramp;

3. welding steel frames, paving steel plates and the like at the pavement of the construction elevator to form a ramp;

under various conditions, a large amount of building construction site materials are wasted, the slope is built once, and the slope needs to be dismantled in the later stage, so that the labor cost is high. The present utility model therefore proposes a ramp lifter to solve the problems of the prior art.

Disclosure of Invention

The utility model provides a ramp lifter aiming at the problems, which solves the problems that in the prior art, a labor vehicle passes through a construction site conveniently, so that a fixed ramp is built, a great amount of construction site materials are wasted, and the labor cost is high.

In order to achieve the purpose of the utility model, the utility model is realized by the following technical scheme: the ramp lifter comprises an upper layer plate and a lower layer plate, wherein one ends of the upper layer plate and the lower layer plate are hinged, square pipes are transversely arranged at the bottom of the upper layer plate and the upper part of the lower layer plate, the square pipes of the upper layer plate and the lower layer plate are arranged in a staggered mode, a first hydraulic cylinder is hinged to the rear of two sides of the lower layer plate, the output end of the first hydraulic cylinder is hinged to the upper layer plate, rollers are arranged at the rear of the bottom of the lower layer plate, lifting grooves are formed in the front of the lower layer plate, and universal wheels are arranged in the lifting grooves through lifting mechanisms.

The further improvement is that: the lifting mechanism comprises a supporting arm, supporting auxiliary arms, a linkage arm, a connecting block, a sliding block and a connecting rod, wherein the front end of the supporting arm is hinged to the inner wall of the front end of a lifting groove through a rotating shaft, the rear end of the supporting arm is integrally provided with the supporting auxiliary arms, a universal wheel is arranged at the bottom of the supporting auxiliary arms, the front end of the linkage arm is hinged to the rear ends of two sides of the supporting arm, the rear ends of two sides of the supporting arm are provided with angle limiting parts used for preventing the rotation angle of the linkage arm from being too large, the rear end of the linkage arm is hinged to the connecting block, sliding grooves are formed in two sides of the inner part of the lifting groove, the two sides of the linkage block are in sliding connection with the sliding grooves through the sliding block, and the connecting rod is arranged at the rear of the connecting block and is driven by a second hydraulic cylinder.

The further improvement is that: the inside of linking arm is provided with and is used for holding accomodate the cavity of universal wheel, accomodate the width of cavity and be greater than the width of universal wheel.

The further improvement is that: the front part of the hinge point of the upper layer plate and the lower layer plate is provided with a front slope, and the front slope is also hinged with the hinge shaft of the upper layer plate and the lower layer plate.

The further improvement is that: the lengths of the upper layer plate and the lower layer plate are the same.

The beneficial effects of the utility model are as follows:

the device is a lifting ramp for a building construction site, which is formed by hinging an upper layer plate with a lower layer plate and additionally matching with a hydraulic cylinder, the lifting ramp can greatly reduce the waste of materials when being arranged aiming at various deployment needs of the construction site, and meanwhile, the ramp is movable and repeatedly used, does not need to be dismantled in the later stage, and has low labor cost and convenient operation.

Drawings

Fig. 1 is a side view of the present utility model.

Fig. 2 is an enlarged view of the lifting mechanism of the universal wheel of the present utility model.

Fig. 3 is an assembled top view of the elevator mechanism of the present utility model.

Fig. 4 is an enlarged top view of the lift mechanism of the present utility model.

Wherein: 1. an upper plate; 2. a lower plate; 3. square tubes; 4. a first hydraulic cylinder; 5. a roller; 6. a lifting groove; 7. a lifting mechanism; 8. a universal wheel; 9. a support arm; 10. supporting the auxiliary arm; 11. a linkage arm; 12. a connecting block; 13. a slide block; 14. a connecting rod; 15. a rotating shaft; 16. an angle limiting part; 17. a chute; 18. a second hydraulic cylinder; 19. a housing chamber; 20. and (5) a front slope.

Detailed Description

The present utility model will be further described in detail with reference to the following examples, which are only for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

According to the embodiment shown in fig. 1-4, the scheme is implemented: the ramp lifter comprises an upper layer plate 1 and a lower layer plate 2, wherein one ends of the upper layer plate 1 and the lower layer plate 2 are hinged, square tubes 3 are transversely arranged at the bottom of the upper layer plate 1 and the upper part of the lower layer plate 2, square tubes 3 at the upper layer and the lower layer are arranged in a staggered mode, the effect of a ramp is mainly to enable a labor vehicle for transporting materials to avoid a road pipe network or increase the joint points of high and low steps, a certain requirement is required for the bearing strength of the ramp aiming at the labor vehicle with a main object, the traditional single plate is wooden or iron, after being subjected to certain bearing, the traditional single plate is recessed or bent to different degrees, on one hand, the condition can influence the stable running of the labor vehicle, on the other hand, certain potential safety hazard can be caused, and the bearing strength of the ramp plate body is ensured to a certain extent by transversely arranging square tubes 3 between the upper layer plate 1 and the lower layer plate 2 as reinforcing ribs of the plate body, and the square tubes 3 are transversely arranged, and the bearing strength of the plate body can be effectively improved; moreover, the square tubes 3 which are arranged in a staggered way can be mutually inserted when the upper layer plate 1 and the lower layer plate 2 are folded, so that a plane is formed.

The rear of lower plate 2 both sides articulates there is first pneumatic cylinder 4, the output of first pneumatic cylinder 4 articulates with upper plate 1, the rear of lower plate 2 bottom is provided with gyro wheel 5, the front portion of lower plate 2 is provided with lift groove 6, be provided with universal wheel 8 in the lift groove 6 through elevating system 7.

In the embodiment, the roller 5 and the universal wheel 8 are arranged on the lower layer plate 2, so that the working area can be changed, the purpose of recycling is achieved, when the ramp works, the lifting mechanism 7 drives the universal wheel 8 to retract into the device, at the moment, the two rollers 5 at the front part and the rear part of the ramp land, because the front part of the ramp is a whole surface and is not a point, the ramp cannot move at will, the stability is better, if the site is wet and slippery, a rubber cushion layer can be arranged on the landing surface below the front part of the ramp, and anti-skidding patterns are arranged at the same time, so that the safety is improved; when the place needs to be changed, the lifting mechanism 7 is started to drive the universal wheels 8 to be put down, so that the original ground contact of the bottom surface of the ramp is changed into the ground contact of the universal wheels 8, and then the ramp can be pushed to be removed. The specific structure of the lifting mechanism 7 is as follows:

the lifting mechanism 7 comprises a supporting arm 9, a supporting auxiliary arm 10, a linkage arm 11, a connecting block 12, a sliding block 13 and a connecting rod 14, wherein the front end of the supporting arm 9 is hinged with the inner wall of the front end of the lifting groove 6 through a rotating shaft 15, the rear end of the supporting arm 9 is integrally provided with the supporting auxiliary arm 10, a universal wheel 8 is arranged at the bottom of the supporting auxiliary arm 10, the front end of the linkage arm 11 is hinged with the rear ends of two sides of the supporting arm 9, the rear ends of two sides of the supporting arm 9 are provided with angle limiting parts 16 for preventing the linkage arm 11 from rotating too much, the rear end of the linkage arm 11 is hinged with the connecting block 12, two sides of the inside of the lifting groove 6 are provided with sliding grooves 17, two sides of the linkage block 12 are slidably connected with the sliding grooves 17 through the sliding block 13, the rear of the connecting block 12 is provided with the connecting rod 14, and the connecting rod 14 is driven by a second hydraulic cylinder 18.

The inside of the linkage arm 11 is provided with a receiving chamber 19 for accommodating the universal wheel 8, and the width of the receiving chamber 19 is larger than the width of the universal wheel 8.

In the present embodiment, the operation process of the lifting mechanism 7 is as follows: the second hydraulic cylinder 18 is started to drive the connecting rod 14 to move forwards, so that the connecting block 12 is pushed to move forwards horizontally on the chute 17, the front end of the supporting arm 9 is hinged with the inner wall of the front end of the lifting groove 6, the front end of the linkage arm 11 is hinged with the rear end of the supporting arm 9, the rear end of the linkage arm 11 is hinged with the connecting block 12, the lengths of the linkage arm 11, the connecting block and the connecting block are fixed, the moving block 12 which moves forwards drives the supporting auxiliary arm 10 to move downwards, so that the universal wheel 8 is unfolded, the rear ends of the two sides of the supporting arm 9 are provided with angle limiting parts 16, after the linkage arm 11 rotates to a limit angle, the angle limiting parts 16 limit the angle, at the moment, the angle is the maximum angle, and meanwhile, the universal wheel 8 is completely unfolded; when the universal wheel 8 is stored, the second hydraulic cylinder 18 is contracted, and the universal wheel 8 is driven to be stored in the storage chamber 19 through the linkage structure, so that storage is completed.

A front slope 20 is arranged at the front part of the hinge point of the upper layer plate 1 and the lower layer plate 2, and the front slope 20 is also hinged with the hinge shaft of the upper layer plate 1 and the lower layer plate 2. The length of the upper layer plate 1 is the same as that of the lower layer plate 2.

In this embodiment, because the lifting mechanism 7 is arranged inside the device, and the transverse square tubes 3 are also arranged between the layers to serve as the reinforcing ribs, the ramp needs to have a certain thickness, under the condition of a certain thickness, the diameter of the hinge shaft between the upper layer plate 1 and the lower layer plate 2 is overlarge, the diameter of the hinge shaft is overlarge, so that a certain height difference exists between the front part of the ramp and a place, and the height difference also causes difficulty in ascending a material-filled labor vehicle, therefore, a front slope 20 is hinged at the front part of the hinge shaft, the height difference of the front slope 20 can be greatly reduced, the connection between the ground and the ramp is smoother, and the labor vehicle is convenient to ascend.

The device is a lifting ramp for a construction site, which is formed by hinging an upper layer plate 1 with a lower layer plate 2 and additionally matching with a hydraulic cylinder, the lifting ramp can greatly reduce the waste of materials when being arranged aiming at various deployment needs of the construction site, and meanwhile, the ramp is movable and repeatedly used, does not need to be dismantled in the later stage, and has low labor cost and convenient operation.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (5)

1. Ramp riser, its characterized in that: including top plate (1) and lower plywood (2), the one end of top plate (1) and lower plywood (2) is articulated to be connected, the bottom of top plate (1) and the upper portion of lower plywood (2) all transversely are provided with square pipe (3), go up the lower floor square pipe (3) between staggered arrangement, the rear of lower plywood (2) both sides articulates there is first pneumatic cylinder (4), the output of first pneumatic cylinder (4) articulates with top plate (1), the rear of lower plywood (2) bottom is provided with gyro wheel (5), the front portion of lower plywood (2) is provided with lift groove (6), be provided with universal wheel (8) through elevating system (7) in lift groove (6).

2. A ramp-lifter according to claim 1, characterized in that: elevating system (7) are including support arm (9), support auxiliary arm (10), link arm (11), connecting block (12), slider (13) and connecting rod (14), the front end of support arm (9) articulates through pivot (15) with the inner wall of lift groove (6) front end, and the rear end integration of support arm (9) is provided with supports auxiliary arm (10), and universal wheel (8) set up the bottom at support auxiliary arm (10), the front end of link arm (11) articulates the rear end in support arm (9) both sides, the rear end of support arm (9) both sides is provided with and is used for preventing link arm (11) angle limit part (16) that the corner is too big, the rear end of link arm (11) articulates there is connecting block (12), the inside both sides of lift groove (6) are provided with spout (17), the both sides of connecting block (12) are through slider (13) and spout (17) sliding connection, the rear of connecting block (12) is provided with connecting rod (14), and connecting rod (14) are through second pneumatic cylinder (18) drive.

3. A ramp-lifter according to claim 2, characterized in that: the inside of linking arm (11) is provided with and is used for holding accomodate cavity (19) of universal wheel (8), accomodate the width of cavity (19) and be greater than the width of universal wheel (8).

4. A ramp-lifter according to claim 3, characterized in that: the front part of the hinge point of the upper layer plate (1) and the lower layer plate (2) is provided with a front slope (20), and the front slope (20) is also hinged with the hinge shaft of the upper layer plate (1) and the lower layer plate (2).

5. A ramp-lifter according to claim 1, characterized in that: the lengths of the upper layer plate (1) and the lower layer plate (2) are the same.

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